1. The reporting person executed a trade order through a broker-dealer which resulted in multiple same day, same way open market sales, with prices ranging from $88.01 to $88.16 per share. The reporting person has reported these sales on an aggregate basis using the weighted average price for the transactions. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the Company or a security holder of the Company, full information regarding the number of shares sold at each separate price.

2. Options, which expire September 30, 2019, became exercisable as to 25% of the shares on October 1, 2010 and each one-year anniversary thereafter.

Remarks:

Rebecca L. Dees, by Power of Attorney

02/01/2019

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).